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Studies on catalytically active surface compounds: XVIII. Photoreduction of oxidic vanadium clusters on aerosil and their chemisorptive properties

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Abstract

Photoreduction by CO of silica supported vanadia catalysts of different cluster size has been studied. It was found that the rates of photoreduction and the highest attainable degrees of reduction depend on the size of vanadia clusters. The chemisorptive properties of photoreduced catalysts toward but-1-ene and O2 are studied and discussed in terms of the distribution of V3+ ions in partially reduced clusters.

Abstract

Исследовано фотовосстановление окисью углерода нанесенных ванадийсодержащих катализаторов с различным размером кластеров. Найдено, что скорости восстановления и предельные степени восстановления зависят от размера фотовосстановленных катализаторов по отнешению к бутену-1 и O2. Полученные результаты обсуждаются с точки зрения распределения ионов V3+в частично восстановленных кластерах.

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Authors and Affiliations

  1. Central Institute of Physical Chemistry, Academy of Sciences of the GDR, 1199, Berlin, GDR

    A. N. Pershin & G. Öhlmann

  2. N. D. Zelinskii Institute of Organic Chemistry, Academy of Science of the USSR, Moscow, USSR

    K. Heise, B. N. Shelimov, E. G. Klimchuk & V. B. Kazanskii

Authors
  1. K. Heise
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  2. B. N. Shelimov
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  3. A. N. Pershin
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  4. E. G. Klimchuk
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  5. G. Öhlmann
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  6. V. B. Kazanskii
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Heise, K., Shelimov, B.N., Pershin, A.N. et al. Studies on catalytically active surface compounds: XVIII. Photoreduction of oxidic vanadium clusters on aerosil and their chemisorptive properties. React Kinet Catal Lett 26, 85–89 (1984). https://doi.org/10.1007/BF02063871

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  • DOI: https://doi.org/10.1007/BF02063871

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